112 lines
4.5 KiB
C
112 lines
4.5 KiB
C
/* $NetBSD: filecore_node.h,v 1.3 1999/07/08 01:06:00 wrstuden Exp $ */
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/*-
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* Copyright (c) 1998 Andrew McMurry
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* Copyright (c) 1994 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* filecore_node.h 1.1 1998/6/26
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*/
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/*
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* In a future format, directories may be more than 2Gb in length,
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* however, in practice this seems unlikely. So, we define
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* the type doff_t as a long to keep down the cost of doing
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* lookup on a 32-bit machine. If you are porting to a 64-bit
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* architecture, you should make doff_t the same as off_t.
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*/
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#define doff_t long
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struct filecore_node {
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struct filecore_node *i_next, **i_prev; /* hash chain */
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struct vnode *i_vnode; /* vnode associated with this inode */
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struct vnode *i_devvp; /* vnode for block I/O */
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u_long i_flag; /* see below */
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dev_t i_dev; /* device where inode resides */
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ino_t i_number; /* the identity of the inode */
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daddr_t i_block; /* the disc address of the file */
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ino_t i_parent; /* the ino of the file's parent */
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struct filecore_mnt *i_mnt; /* filesystem associated with this inode */
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struct lockf *i_lockf; /* head of byte-level lock list */
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int i_diroff; /* offset in dir, where we found last entry */
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struct filecore_direntry i_dirent; /* directory entry */
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};
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#define i_forw i_chain[0]
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#define i_back i_chain[1]
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#define i_size i_dirent.len
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/* flags */
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#define IN_ACCESS 0x0020 /* inode access time to be updated */
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#define VTOI(vp) ((struct filecore_node *)(vp)->v_data)
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#define ITOV(ip) ((ip)->i_vnode)
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#define filecore_staleinode(ip) ((ip)->i_dirent.name[0]==0)
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/*
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* Prototypes for Filecore vnode operations
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*/
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int filecore_lookup __P((void *));
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#define filecore_open genfs_nullop
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#define filecore_close genfs_nullop
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int filecore_access __P((void *));
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int filecore_getattr __P((void *));
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int filecore_read __P((void *));
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#define filecore_poll genfs_poll
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int filecore_mmap __P((void *));
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#define filecore_seek genfs_seek
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int filecore_readdir __P((void *));
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int filecore_readlink __P((void *));
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#define filecore_abortop genfs_abortop
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int filecore_inactive __P((void *));
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int filecore_reclaim __P((void *));
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int filecore_link __P((void *));
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int filecore_symlink __P((void *));
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int filecore_bmap __P((void *));
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int filecore_strategy __P((void *));
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int filecore_print __P((void *));
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int filecore_pathconf __P((void *));
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int filecore_blkatoff __P((void *));
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struct vnode *filecore_ihashget __P((dev_t, ino_t));
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void filecore_ihashins __P((struct filecore_node *));
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void filecore_ihashrem __P((struct filecore_node *));
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mode_t filecore_mode __P((struct filecore_node *));
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struct timespec filecore_time __P((struct filecore_node *));
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ino_t filecore_getparent __P((struct filecore_node *));
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int filecore_fn2unix __P((char *, char *, u_int8_t *));
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int filecore_fncmp __P((const char *, const char *, u_short));
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int filecore_dbread __P((struct filecore_node *, struct buf **));
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